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00:04:53
At the Giant Mirror, Senior Staff Scientist Paul Doherty demonstrates a simple way of locating a real image—an image that floats in space in front of the mirror.

00:04:49
Senior Staff Scientist Thomas Humphrey invents a simple experiment to see if the Giant Mirror is spherical or parabolic, and then to see if it's perfectly spherical. By placing a Styrofoam ball at the center of curvature, he's able to prove that the mirror is out of pure sphericity by about one-quarter of one degree.

00:04:37
Staff Neuroscientist Richard Brown demonstrates that the Giant Mirror reflects infrared radiation as well as visible light.

00:07:21
It’s tough for a new teacher to keep up with everything from labs to professional development. TI teacher coach Arlette Manders provides a potpourri of tips on how to make life a little easier.

00:13:10
Hear an interview with our host, Stephanie Chasteen, about why podcasts can be great professional development tools for teachers. The interview is excerpted from an episode of the Podcast for Teachers, which gave us the award for Best Professional Development Podcast.

00:04:14
Preview the Exploratorium's Mind exhibit, an exhibit collection four years in the making.

In Mind, you are the exhibit. Experience your own thoughts, feelings and actions in provocative and unexpected ways in this major new 5000-square-foot collection. Discover insights into how you make decisions, the kinds of things you do (or don’t) pay attention to, and the changing landscapes and intriguing effects of your own emotions. Mind is made possible with the support of the National Science Foundation.

00:00:15
Aeolian Landscape is an exhibit in which a miniature wind-swept desert landscape is recreated by an electric fan and finely ground sand that mimics the process of wind picking up and depositing small particles. Visitors can change the direction of the fan, influencing the shape of the dunes.

00:00:15
At the Balancing Ball exhibit, a plastic beach ball floats mysteriously several feet above a large plastic cone. Upon closer inspection, the ball is found to be floating on a stream of air blowing out of the cone; visitors interact with the ball, changing its position in relation to the air flow.

00:02:10
Artist Sheldon Brown creates an urban/suburban/rural environment in which the visitor literally "paints" the flying landscape with highways, buildings, and automobiles. This exhibit was part of the Virtual Unreality exhibition.

00:05:35
If you’ve been accepted into our Summer Institute, we suggest you listen to this short podcast, which tells you some things we think you should know about the program before you arrive.